import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'

// create an axios instance
const service = axios.create({
  baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 300000 // request timeout
})

// request interceptor
service.interceptors.request.use(
  config => {
    service.timeout = 300000 // 默认3分钟超时
    if (config.headers['timeout']) { // 特定请求特别设置
      service.timeout = config.headers['timeout']
    }
    // do something before request is sent
    config.headers['token'] = getToken()
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
  */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const res = response.data

    // if the custom code is not 20000, it is judged as an error.
    if (res.code !== 20000 && res.code !== 0) {
      // token无效已经过期
      if (res.code === 10010) {
        // to re-login
        MessageBox.confirm('当前登入状态已过期', '确定退出', {
          confirmButtonText: '重新登入',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          store.dispatch('user/resetToken').then(() => {
            location.reload()
          })
        })
      } else if (response.config && !response.config.headers['hide-error']) {
        Message({
          message: res.message || res.errmsg || 'Error',
          type: 'error',
          duration: 5 * 1000
        })
        return Promise.reject(new Error(res.message || 'Error'))
      }
    }
    return res
  },
  error => {
    if (!error.response.config.headers['hide-error']) {
      console.log('err' + error) // for debug
      Message({
        message: error.message,
        type: 'error',
        duration: 5 * 1000
      })
    }
    return Promise.reject(error)
  }
)

export default service
